Just to clarify, do you mean the Shopify Sales reports? I double checked and took a look at the Shopify help guide for Sales Reports and it does show that the reports are from when the order is made:

Is this what you are referring to or is something else by any chance? Let me know.

All the best, Nick

Nick | Social Care @ Shopify - Was my reply helpful? Click Like to let me know! - Was your question answered? Mark it as an Accepted Solution - To learn more visit the Shopify Help Center or the Shopify Blog